PINHEIRO, F.L. & DE FIGUEIREDO, A.E.Q. & DENTZIEN-DIAS, P.C. & FORTIER, D.C. & SCHULTZ, C.L. & VIANA, M.S.S. (2013)
Planohybodus marki sp. nov., a new fresh-water hybodontid shark from the Early Cretaceous of northeastern Brazil Cretaceous Research, 41: 210–216
DOI: 10.1016/j.cretres.2012.12.005